Lenovo 20N4, Hardware Maintenance Manual

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Step Screw (quantity) Color Torque
2
M2 × L2.5 mm, big-head, nylon-coated (1)
Black 0.181 Nm
(1.85 kgf-cm)
When installing: Plug the orange cable into the main connector and the blue cable into the auxiliary
connector.
1060 Memory module
For access, remove these FRUs:
• “1010 Removing the nano-SIM card and the nano-SIM-card tray” on page 64
• “1020 Base cover assembly” on page 64
Removal steps of the memory module
When installing:
Insert the notched end of the memory module into the slot at an angle of about 20 degrees. Press the
memory module firmly, and pivot it downwards until it snaps into place. Ensure that the memory module is
firmly installed in the slot and does not move easily.
1070 Speaker assembly
For access, remove these FRUs:
• “1010 Removing the nano-SIM card and the nano-SIM-card tray” on page 64
• “1020 Base cover assembly” on page 64
Chapter 8
.
Removing or replacing a FRU
71